3 years ago

If x2+y2=40 and xy=5 then find(x+y)2

Mathematics

1 answer:

VMariaS [17]3 years ago

8 0

Answer:

(x + y)^2 = 45

Step-by-step explanation:

$(x + y)^{2} = x^{2} +xy + y^{2}$

= 40 + 5 = 45

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